package org.example.kidscode.service;

import org.example.kidscode.entity.Teacher;
import java.util.List;

public interface TeacherService {
    Teacher saveTeacher(Teacher teacher);
    Teacher getTeacherById(String teacherId);
    List<Teacher> getAllTeachers();
    Teacher updateTeacher(String teacherId, Teacher teacher);
    void deleteTeacher(String teacherId);
    boolean isPhoneNumberExists(String contactPhone);
}